Fax Pro and SIP

Commercial Modules
1

I’ve utilized the FaxPro module multiple times but only with a PRI. I have a customer with SIP that is interested in the module. If I have SIP DIDs that are T.38 enabled will everything run as smoothly as it does with a PRI?

2

I have FaxPro and SIP DID, I send and receive faxes fine. I can not compare it to PRI. Not heavy fax use 10-20 pages/month.

1 Like
3

Fax Pro works fine for me. Make sure your udptl ports are open.

4

Nothing will ever be as good as copper but t.38 works pretty reliably with the right providers and settings.

5

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